About MABUCHI YUTAKA
About 日産自動車
About MIYAKE SHOJIRO
About internal combustion engine
About Friction
About tribology
About covering
About DLC film
About friction coefficient
About engine oil
About machine element
About intake valve
About exhaust valve
About specific fuel consumption
About diamond-like carbon
About surface coating
About high-performance functional material
About friction reduction
About harness cam
About fuel efficiency
About トライボコーティング
About valve lifter
About fuel efficiency
About 水素フリー
About Internal combustion engines in general
About Thin films of other inorganic compounds
About Lubrication in general
About 高機能材料
About 水素
About DLC膜
About 潤滑
About 組み合わせ
About フリクション